Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

A0LBK

Prolog  

Control Block Contents  
   A0LBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


A0LBK Prolog

 NAME       : HCPA0LBK
 DESCRIPTION: Diagnose A0 (subcode x'24') list entry
 DSECT      : A0LBK
 FUNCTION   : Maps an entry returned to virtual machine by
              Diagnose A0, subcode x'24'
 LOCATED BY : N/A - virtual machine supplies storage
 CREATED BY : storage for entries is supplied by virtual
              machine which executes diagnose A0, subcode
              x'24'
 DELETED BY : N/A
 SERIALIZED : None

 

A0LBK Control Block Content


A0LBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      A0LBK          Diagnose A0 (subcode x'24') list
                                        entry
0000    0 Character   12 A0LNAME        Command, diagnose, or system
                                        function name
000C   12 Character   12 A0LCMDOP       Command operand. Valid only if
                                        entry type (i.e. A0LENTYP) is
                                        A0LCPCMD, A0LSTCMD, or A0LQYCMD
                                        and A0LOPRND is on
0018   24 Bitstring    1 A0LIBMCL       IBM Class. Valid only if entry
                                        type (i.e. A0LENTYP) is A0LCPCMD,
                                        A0LSTCMD, or A0LQYCMD.
0019   25 Bitstring    1 A0LENTYP       Entry type
001A   26 Bitstring    1 A0LENTFL       Entry flags
001B   27 Bitstring    1 *              Reserved for future IBM use
001C   28 Bitstring    1 A0LATTRI       Entry attributes
001D   29 Bitstring    1 *              Reserved for future IBM use
001E   30 Bitstring    1 A0LSECUR       Security flags
001F   31 Bitstring   33 *              Reserved for future IBM use
          00000040       A0LNEXT        * Next entry
          00000008       A0LSIZE        (*-A0LBK+7)/8 Size of A0LBK in
                                        double words
          00000040       A0LBSIZE       *-A0LBK Size of A0LBK in bytes

 

A0LBK Storage Layout

          
*** A0LBK - Diagnose A0 (subcode x'24') list entry
*
*     +-------------------------------------------------------+
*   0 |                       A0LNAME                         |
*     |                           +---------------------------+
*   8 |                           |         A0LCMDOP          |
*     +---------------------------+                           |
*     |                                                       |
*     +------+------+------+------+------+------+------+------+
*  18 |:IBMCL|:ENTYP|:ENTFL|//////|:ATTRI|//////|:SECUR|//////|
*     +------+------+------+------+------+------+------+//////|
*  20 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  40
*
*** A0LBK - Diagnose A0 (subcode x'24') list entry

 

A0LBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
A0LATTRI       001C
A0LBSIZE       001F 00000040
A0LCMDOP       000C
A0LENTFL       001A
A0LENTYP       0019
A0LIBMCL       0018
A0LNAME        0000
A0LNEXT        001F 00000040
A0LSECUR       001E
A0LSIZE        001F 00000008

This information is based on z/VM V4R2.0. Last updated on 17 Oct 2001 at 14:49:10 EDT.
Copyright IBM Corporation, 1990, 2001